Home / 49,688.20-74,489.10-29,945.80

Finding the Fourth Proportional to 49,688.20, 74,489.10 and 29,945.80

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Solution

The fourth proportional to 49,688.20, 74,489.10 and 29,945.80 is: 44,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.20 : 74,489.10 = 29,945.80 : x
  2. Step 2: Convert to fraction form
    49,688.20/74,489.10 = 29,945.80/x
  3. Step 3: Cross multiply
    49,688.20x = 74,489.10 × 29,945.80
  4. Step 4: Simplify right side
    49,688.20x = 2,230,635,690.78
  5. Step 5: Solve for x
    x = 2,230,635,690.78/49,688.20
  6. Step 6: Final answer
    x = 44,892.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.